The team is instructed to examine why Karel's Karting is in danger of being closed after a series of recent incidents, endangering its mostly young go cart users. Xavier goes undercover and suspects the repeated mysterious accidents are the result of sabotage by regular mechanic Ronny, who is arrested despite lack of motive. Meanwhile research shows the sabotage is probably organized by an industrialist developer, who already owns all surrounding properties, bids on Karel's and has an inside accomplice.
In een kartingclub gebeurt een groot ongeluk met verschillende gewonden.
Omdat het niet het eerste ongeluk is, schakelt de kolonel Team ROX in. Zij moeten onderzoeken of alle veiligheidsregels wel worden nageleefd.
